package com.norteksoft.acs.base.web.struts2;
import com.opensymphony.xwork2.ModelDriven;
import com.opensymphony.xwork2.Preparable;
/**
* Struts2中CRUD典型Action规范类.
* 规定使用Preparable,ModelDriven接口,规范了一些函数的命名.
*
* @param <T> CRUD所管理的对象类型
*
* @author huhongchun
*/
@SuppressWarnings("serial")
public abstract class CRUDActionSupport<T> extends SimpleActionSupport implements ModelDriven<T>, Preparable {
/**
* 进行CUD操作后,以redirect方式重新打开action默认页的result名.
*/
public static final String RELOAD = "reload";
/**
* Action函数,默认action函数，默认指向list函数.
*/
@Override
public String execute() throws Exception {
return list();
}
/**
* Action函数,显示Entity列表.
* return SUCCESS.
*/
public abstract String list() throws Exception;
/**
* Action函数,新增或修改Entity.
* return RELOAD.
*/
public abstract String save() throws Exception;
/**
* Action函数,删除Entity.
* return RELOAD.
*/
public abstract String delete() throws Exception;
/**
* 在save()前执行二次绑定.
*/
public void prepareSave() throws Exception {
prepareModel();
}
/**
* 在input()前执行二次绑定.
*/
public void prepareInput() throws Exception {
prepareModel();
}
/**
* 屏蔽公共的二次绑定.
*/
public void prepare() throws Exception {
}
/**
* 等同于prepare()的内部函数.
*/
protected abstract void prepareModel() throws Exception;
}